Overview of Important Overnight Developments on April 15

21:00 (UTC+8) - 7:00 Keywords: CoW Swap, OpenGradient, Goldman Sachs, Waller1. Goldman Sachs plans to launch a "Bitcoin Premium Yield ETF";2. Ethereum Foundation initiates Ethereum audit subsidy program;3. Federal Reserve Chairman nominee Waller discloses his holding of cryptocurrencies;4. The U.S. Vice President says she is "optimistic" about the current U.S.-Iran situation progress;5. CoW Swap frontend experiences issues, users are advised not to use it for now;6. The trilateral talks among Israel, Lebanon, and the U.S. concluded; Israel and Lebanon agree to launch direct negotiations;7. OpenGradient completed a $9.5 million financing round, with a16z crypto participating.